Urgent I cant up the app

Updating frappe                     : [========================================]
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 79, in <module>
    main()
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 16, in main
    click.Group(commands=commands)(prog_name='bench')
  File "/home/vhrs/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 716, in __call__
    return self.main(*args, **kwargs)
  File "/home/vhrs/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 696, in main
    rv = self.invoke(ctx)
  File "/home/vhrs/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/vhrs/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/vhrs/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 889, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/vhrs/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/home/vhrs/frappe-bench/env/local/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/commands/__init__.py", line 24, in _func
    ret = f(frappe._dict(ctx.obj), *args, **kwargs)
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/commands/site.py", line 203, in migrate
    migrate(context.verbose, rebuild_website=rebuild_website)
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/migrate.py", line 29, in migrate
    frappe.model.sync.sync_all(verbose=verbose)
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/model/sync.py", line 19, in sync_all
    sync_for(app, force, verbose=verbose)
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/model/sync.py", line 37, in sync_for
    folder = os.path.dirname(frappe.get_module(app_name + "." + module_name).__file__)
  File "/home/vhrs/frappe-bench/apps/frappe/frappe/__init__.py", line 643, in get_module
    return importlib.import_module(modulename)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
ImportError: No module named <<<<<<<_head
Traceback (most recent call last):
  File "/usr/local/bin/bench", line 9, in <module>
    load_entry_point('bench==2.1.0', 'console_scripts', 'bench')()
  File "/home/vhrs/bench-repo/bench/cli.py", line 40, in cli
    bench_command()
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 716, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 696, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 1060, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 889, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/home/vhrs/bench-repo/bench/commands/update.py", line 60, in update
    _update(pull, patch, build, bench, auto, restart_supervisor, requirements, no_backup, upgrade, force=force)
  File "/home/vhrs/bench-repo/bench/commands/update.py", line 90, in _update
    patch_sites(bench_path=bench_path)
  File "/home/vhrs/bench-repo/bench/utils.py", line 122, in patch_sites
    run_frappe_cmd('--site', 'all', 'migrate', bench_path=bench_path)
  File "/home/vhrs/bench-repo/bench/utils.py", line 451, in run_frappe_cmd
    raise CommandFailedError(args)
bench.utils.CommandFailedError: ('--site', 'all', 'migrate')

@hereabdulla: Use code format to post coded errors.

You have merge conflicts in your app (maybe frappe)

How can I find that

Dear @rmehta
I found the conflict and its cleared now thanks for the reply